TWI716092B - Automatic tightening of the arbor nut device - Google Patents

Abstract

An automatic tightening toolholder nut device, which is used in conjunction with a toolholder, wherein the toolholder has a tapered body, the peripheral side of the tapered body is provided with a plurality of positioning grooves, and one end of the toolholder is more A clamping structure is provided, and a nut is screwed on the clamping structure, and the automatic tightening arbor nut device includes a arbor fixing unit and a nut fixing unit for fixing the tapered body and The nut also includes a control unit for controlling the cutter rod fixing unit to drive the conical body to rotate so that the conical body rotates relative to the nut, thereby achieving the purpose of automatically tightening the nut.

Description

Automatic loosening and tightening of arbor nut device

The present invention relates to an automatic arbor nut device for loosening a arbor, in particular to an automatic arbor nut device for assisting a user to lock or loosen a nut of a arbor.

The spindle of the current processing machinery uses a tool bar to connect a tool, wherein the tool bar has a tapered body, and one end of the tapered body is provided with a clamping structure for clamping the tool. The structure is provided with a nut for loosening or tightening the clamping structure, so that the user only needs to operate to loosen or lock the nut to fix the tool to the clamping structure, or by The clamping structure removes the cutter.

However, with the vigorous development of machining and the addition of a variety of new tools, current machining often uses tools of multiple specifications at the same time, and users need to constantly replace the tools, but the existing tool holders still need to be operated by human hands. To tighten the nut with a wrench, it is not only inconvenient and time-consuming to operate, and cannot meet the needs of fast processing. Although the industry has developed a toolholder that can quickly replace the tool, this toolholder is limited by the stability of the quick-release structure and It is not enough. Therefore, after observing the above shortcomings, the inventor of the present case decided that it is necessary to develop an automatic tightening of the arbor nut device, and the present invention was born.

The purpose of the present invention is to provide an automatic tightening of the tool bar nut device, which can achieve the function of automatically tightening the nut, and has the advantages of convenient operation, time-saving and labor-saving.

In order to achieve the above-mentioned purpose, the automatic tightening arbor nut device provided by the present invention is used with a arbor, wherein the arbor is provided with a tapered body, and the peripheral side of the tapered body is provided with a plurality of positioning grooves At the same time, one end of the arbor is further provided with a clamping structure, and a nut is screwed on the clamping structure for loosening or tightening the clamping structure, and the automatic tightening arbor nut device includes: A tool holder fixing unit, which has a base, and the top surface of the base is pivotally provided with a rotating table. The center position of the rotating table corresponds to the tapered body of the tool holder with a fixing hole, and along the A plurality of positioning blocks are provided on the periphery of the fixed hole corresponding to the positioning groove of the tool bar. In addition, a driving source is provided on one side of the base. The driving source is connected to the rotating table and can drive the rotating table relative to the base. Seat rotation; a nut fixing unit, which has a vertical plate adjacent to the rotating table, and the vertical plate is vertically arranged from top to bottom with a sliding rail, the sliding rail is slid with a sliding seat, the sliding seat It is provided with a clamping piece, which corresponds to the nut of the cutter bar and has a clamping opening. In addition, the sliding seat is further provided with a pressing piece for tightly fixing the sliding seat and the sliding rail. position; A control unit, which is electrically connected to the drive source of the tool bar fixing unit, and has a built-in lock mode and a release mode, wherein in the lock mode, the drive source is controlled to drive the rotating table relative to the The base rotates in a rotation direction, and in the relaxation mode, the drive source is controlled to drive the rotating table to rotate relative to the base in the opposite direction of the rotation direction.

The automatic tightening tool bar nut device provided by the present invention utilizes the tapered body of the tool bar to be inserted into the fixing hole, and the positioning block is positioned in the positioning groove, and then the position of the nut fixing unit is adjusted , The clamping port is clamped to the nut, and the rotating table can be operated to rotate through the control unit, so that the conical body rotates relative to the nut, thereby achieving the purpose of automatically tightening the nut.

Please refer to Figure 1, Figure 2, and Figure 3, which are a perspective view, a partial perspective view, and a partial perspective view from another angle of the first preferred embodiment of the present invention, which disclose an automatic tightening arbor nut device 100. The automatic tightening tool bar nut device 100 includes:

One workbench 10.

A tool bar fixing unit 20, which has a base 21 arranged on the worktable 10, and the top surface of the base 21 is pivotally provided with a rotating table 22, and the center of the rotating table 22 is provided with a fixing hole 23. A plurality of positioning blocks 24 are provided along the periphery of the fixing hole 23. In addition, a driving source 25 is further provided on one side of the base 21. The driving source 25 is connected to the rotating table 22 for driving the rotation The table 22 rotates relative to the base 21. In this embodiment, the driving source 25 is a motor.

A nut fixing unit 30 has a vertical plate 31 arranged on the worktable 10 and adjacent to the rotating table 22, and the vertical plate 31 is longitudinally arranged with a sliding rail 32 from top to bottom. The sliding rail 32 A sliding seat 33 is slidably provided with an extension portion 34 extending from the sliding seat 33. The extension portion 34 is provided with an adjusting hole 341 and an abutting hole 342 communicating with the adjusting hole 341. At the same time, the sliding seat 33 is attached to the A clamping member 35 is further slidably provided in the adjusting hole 341, and the clamping member 35 is provided with a clamping opening 351, and a long groove 352 is formed corresponding to the abutting hole 342, and the sliding seat 33 is in the abutting hole 342. An elastic abutment member 36 is further provided therein, and the elastic abutment member 36 is elastically abutted in the long groove 352 to limit the sliding range of the clamping member 35, and the sliding seat 33 is further provided with a compression The piece 37 can be used to tightly fix the relative position of the sliding seat 33 and the sliding rail 32. In addition, the nut fixing unit 30 has a reinforced frame 38, which is arranged adjacent to the vertical plate 31 and extends accordingly The portion 34 is provided with a long hole 381 extending from top to bottom for the extension portion 34 to slide into.

A control unit 40, which is electrically connected to the drive source 25 of the tool bar fixing unit 20, and has a built-in locking mode and a loosening mode, wherein, in the locking mode, the drive source 25 is controlled to drive the The rotating table 22 rotates in a rotation direction relative to the base 21, and in the relaxation mode, the drive source 25 is controlled to drive the rotating table 22 to rotate in the opposite direction of the rotation direction relative to the base 21. In addition, the control unit 40 There is also a monitoring module 41 for monitoring the current value of the driving source 25.

A housing unit 50 has a first housing 51 covering the outside of the cutter bar fixing unit 20 and a second housing 52 covering the outside of the vertical plate 31 and the sliding rail 32.

A protection unit 60, which is arranged on the outer side of the first housing 51, and has a telescopic mechanism 61, the telescopic mechanism 61 is connected with a protective cover 62, which can be operated on the automatic tightening tool bar nut device 100 During this period, the protective cover 62 is driven to move the cover around the rotating table 22 to achieve the effect of protecting the user.

In order to further understand the features of the invention, the technical means used and the expected effects, the use of the invention is described. It is believed that a deeper and specific understanding of the invention can be obtained from this, as follows:

Please refer to Figures 4 to 6, which are schematic diagrams of the use of the first preferred embodiment of the present invention. The present invention is used with a tool holder 200 which is used to connect a tool 300. The arbor 200 has a tapered body 201. A plurality of positioning grooves 202 are provided on the periphery of the tapered body 201. At the same time, a clamping structure 203 is provided at one end of the arbor 200, and the clamping structure 203 The screw is provided with a nut 204 for loosening or tightening the clamping structure 203, whereby the user only needs to insert the tapered body 201 of the cutter bar 200 into the fixing hole 23 during use, and let the The positioning block 24 is positioned in the positioning groove 202, and then the position of the nut fixing unit 30 is adjusted so that the clamping opening 351 is clamped to the nut 204, and the rotating table 22 can be operated to rotate through the control unit 40. The conical body 201 is rotated relative to the nut 204, wherein the control unit 40 is built in the locking mode and the relaxation mode. In the locking mode, the driving source 25 will drive the rotating table 22 relative to each other. The base 21 rotates in a rotating direction, so that the nut 204 is locked to the clamping structure 203, so that the nut 204 is fixed to the cutter bar 200; and in the relaxed mode, the driving source 25 will drive The rotating table 22 rotates in the opposite direction of the rotation direction relative to the base 21, so that the nut 204 is relaxed on the clamping structure 203, so as to facilitate the removal of the nut 204, thereby achieving automatic tightening of the nut The purpose of 204, in which, in this embodiment, the current value of the driving source 25 can be further monitored through the monitoring module 41, and the threshold can be set to automatically turn off after the nut 204 is locked or loosened. Electricity.

Please continue to refer to Figure 7, which is a schematic diagram of the use of the second preferred embodiment of the present invention. The difference between this embodiment and the aforementioned first preferred embodiment is that it further includes a contact measurement unit 70. The contact measurement unit 70 has an adjustment base 71 arranged adjacent to the rotating table 22, and the adjustment base 71 is connected to an extension arm 72, and an axis vector meter 73 is attached to the extension arm 72. As a result, The user only needs to move the adjusting seat 71 to an appropriate position above the tool 300, so that the axis vector table 73 touches the tool 300, and the tool length of the tool 300 can be displayed, thereby, the first aspect of the present invention In the second preferred embodiment, the length of the tool 300 can be measured by a contact method.

Please continue to refer to Figure 8, which is a schematic diagram of the use of the third preferred embodiment of the present invention. The difference between this embodiment and the aforementioned second preferred embodiment is that the extension arm 72 is further provided with a Radial gauge 74. In this way, the user only needs to move the adjusting seat 71 to a proper position above the tool 300 so that the radial gauge 74 touches the tool 300, and the tool diameter of the tool 300 can be displayed. Therefore, in the third preferred embodiment of the present invention, various parameters of the tool 300, such as tool length, tool diameter, etc., can be measured in a contact manner.

Please continue to refer to Figure 9, which is a schematic diagram of the use of the fourth preferred embodiment of the present invention. The difference between this embodiment and the first preferred embodiment is that it further includes a non-contact measurement unit 80, which has an adjusting seat 81 adjacent to the rotating table 22, the adjusting seat 81 is connected with an extension arm 82, the extension arm 82 is connected with a rotating arm 83, the rotating arm 83 is provided with a lens 84, by Therefore, the fourth preferred embodiment of the present invention is different from the aforementioned second and third preferred embodiments in that it can use image analysis to measure various items of the tool 300 in a non-contact manner. Parameters, such as tool length, tool diameter, etc.

Hereby, the characteristics of the present invention and the expected effects that can be achieved are stated as follows:

The automatic tightening tool bar nut device 100 provided by the present invention utilizes the tapered body 201 of the tool bar 200 to be inserted into the fixing hole 23, and the positioning block 24 is positioned in the positioning groove 202, and then the The position of the nut fixing unit 30 is such that the clamping opening 351 is clamped on the nut 204, and the rotating table 22 can be operated to rotate through the control unit 40, so that the conical body 201 is generated relative to the nut 204 By rotating, the purpose of automatically tightening the nut 204 can be achieved.

To sum up, the present invention has excellent practicality in similar products. At the same time, we have checked the technical data of this type of structure at home and abroad. The literature has not found the same structure. Therefore, The present invention actually has the requirements for a patent for invention, and an application is filed in accordance with the law.

However, the above is only one of the preferred and feasible embodiments of the present invention, so any equivalent structural changes made by applying the specification of the present invention and the scope of the patent application should be included in the patent scope of the present invention.

100: Automatic tightening of the arbor nut device

10: Workbench

20: Tool holder fixing unit

21: Pedestal

22: Rotating table

23: fixing hole

24: positioning block

25: drive source

30: Nut fixing unit

31: vertical board

32: Slide rail

33: Slide

34: Extension

341: adjustment hole

342: Top hole

35: clamp

351: clamping port

352: long slot

36: Elastic abutment piece

37: Compression

38: Strengthen the framework

381: long hole

40: control unit

41: Monitoring module

50: housing unit

51: first shell

52: second shell

60: Protection unit

61: Telescopic mechanism

62: Protective cover

70: Contact measurement unit

71: adjustment seat

72: Extension arm

73: Axis Vector Table

74: Radial gauge

80: Non-contact measurement unit

81: Adjustable seat

82: Extension arm

83: rotating arm

84: lens

200: Toolholder

201: Conical body

202: positioning slot

203: clamping structure

204: Nut

300: Tool

Figure 1 is a perspective view of the first preferred embodiment of the present invention. Figure 2 is a partial perspective view of the first preferred embodiment of the present invention. Figure 3 is a partial perspective view of the first preferred embodiment of the present invention from another angle. Figure 4 is a schematic diagram of the use of the first preferred embodiment of the present invention. Figure 5 is a schematic diagram of the use of the first preferred embodiment of the present invention. Figure 6 is a schematic diagram of the use of the first preferred embodiment of the present invention. Figure 7 is a schematic diagram of the second preferred embodiment of the present invention. Figure 8 is a schematic diagram of the third preferred embodiment of the present invention. Figure 9 is a schematic diagram of the fourth preferred embodiment of the present invention.

100: Automatic tightening of the arbor nut device

10: Workbench

20: Tool holder fixing unit

30: Nut fixing unit

40: control unit

41: Monitoring module

50: housing unit

51: first shell

52: second shell

60: Protection unit

61: Telescopic mechanism

62: Protective cover

Claims (10)

An automatic tightening toolholder nut device for use with a toolholder, wherein the toolholder has a tapered body, and the peripheral side of the tapered body is provided with a plurality of positioning grooves, and one end of the toolholder is further provided There is a clamping structure, and a nut is screwed on the clamping structure for loosening or tightening the clamping structure, and the automatic tightening arbor nut device includes: a arbor fixing unit, which has a The base, and the top surface of the base is pivotally provided with a rotating table, the center of the rotating table corresponds to the tapered body of the shank with a fixing hole, and the circumference of the fixing hole corresponds to the shank The positioning groove is provided with a plurality of positioning blocks, and one side of the base is further provided with a drive source, the drive source is connected to the rotating table, and can drive the rotating table to rotate relative to the base; a nut fixing unit, It has a vertical plate arranged adjacent to the rotating table, and the vertical plate is vertically arranged with a slide rail from top to bottom, the slide rail is slidably provided with a slide seat, the slide seat is provided with a clamping piece, the clamp The holder is provided with a clamping opening corresponding to the nut of the tool bar. In addition, the sliding seat is also provided with a clamping piece for tightly fixing the relative position of the sliding seat and the sliding rail; a control unit, which is electrically connected It is sexually connected to the drive source of the tool bar fixing unit, and has a built-in lock mode and a release mode. In the lock mode, the drive source is controlled to drive the rotating table to rotate in a rotation direction relative to the base , And in the relaxation mode, the driving source is controlled to drive the rotating table to rotate in the opposite direction of the rotation direction relative to the base; therefore, the user only needs to first install the tapered body of the knife bar into the fixing hole, And let the positioning block be positioned in the positioning groove, and then adjust the position of the nut fixing unit so that the clamping opening is clamped to the nut, That is, the rotating table can be operated to rotate through the control unit, so that the conical body rotates relative to the nut, and the purpose of automatically tightening the nut can be achieved. According to the automatic tightening tool bar nut device described in item 1 of the scope of patent application, the sliding seat is extended with an extension portion, the extension portion is provided with an adjustment hole, and an abutting hole communicating with the adjustment hole, and The clamping member is slidably disposed in the adjusting hole, and a long groove is provided for the abutting hole, and at the same time, it further includes an elastic abutting member, which is inserted through the abutting hole and elastically abuts in the long groove . According to the automatic tightening tool bar nut device described in item 2 of the scope of patent application, the nut fixing unit further has a reinforced frame, which is arranged adjacent to the vertical plate, and is provided with an upper part corresponding to the extension part. The elongated hole at the bottom can be used for sliding the extension part into it. According to the automatic tightening tool bar nut device described in item 1 of the patent application, the drive source is a motor, and the control unit has a monitoring module for monitoring the current value of the motor. According to the first item of the scope of patent application, the automatic tightening tool bar nut device further includes a worktable capable of carrying the tool bar fixing unit, the nut fixing unit and the control unit. According to the automatic tightening tool bar nut device according to the first item of the scope of patent application, it further includes a housing unit having a first housing covering the outer side of the tool bar fixing unit, and a covering The second housing outside the vertical board and the sliding rail. According to the automatic tightening tool bar nut device described in item 6 of the scope of patent application, it further includes a protection unit which is arranged on the outer side of the first housing and has a telescopic mechanism connected with a The protective cover can be set around the rotating table. The automatic tightening tool bar nut device according to item 1 of the scope of patent application, which further includes a contact type measuring unit, which has an adjustment seat arranged adjacent to the rotating table, and the adjustment seat is connected with an extension arm , The extension arm is equipped with an axis vector table. According to the automatic tightening tool bar nut device described in item 7 of the scope of patent application, the extension arm is further provided with a radial scale. According to the automatic tightening tool bar nut device described in item 1 of the scope of patent application, it further includes a non-contact measuring unit, which has an adjustment seat arranged adjacent to the rotating table, and the adjustment seat is connected with an extension The extension arm is connected with a rotating arm, and the rotating arm is provided with a lens.

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